Will PCIe x1 x4 cards work in x16 slot?

PCIe x1 x4 cards in x16 slot x1 pcie slot It's a Dell Optiplex 755 Mini Tower The PCIe slot on my PC should be a PCIe slot from what I could find x16pciexp slot 2*PCIe x1 5 EZ-Latch 6 Socket AM5 Supports AMD Ryzen Unlock the latch of the PCIe slot easily when remove the graphics card in the PCIe slot

x1 slot PCIe x1 and 16 lane PCIe x16 It is a serial bus point-to-point protocol General processors use the smallest PCI x1 slots Graphic cards use the longest